CVE-2026-59791: Low severity JetBrains YouTrack vulnerability
Published Jul 10, 2026
·Updated
In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible
Affected Software
2 affected components
JetBrains YouTrack<2026.2.17012
JetBrains YouTrack<2026.2.17012
Event History
Jul 10, 2026
CVE Published
via MITRE·02:18 PM
Data Sourced
via MITRE·02:18 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-59791?
The severity of CVE-2026-59791 is low, rated at 3.5.
2
What type of vulnerability is CVE-2026-59791?
CVE-2026-59791 is a cSS injection vulnerability associated with Mermaid diagram rendering.
3
How do I fix CVE-2026-59791?
To fix CVE-2026-59791, update JetBrains YouTrack to version 2026.2.17012 or later.
4
Which software is affected by CVE-2026-59791?
CVE-2026-59791 affects JetBrains YouTrack versions prior to 2026.2.17012.
5
What impact does CVE-2026-59791 have on security?
CVE-2026-59791 can lead to limited information leakage due to its low severity.